APA (7th ed.) Citation

Harrison, C. J. O., & Fisher, C. (1982). An atlas of the birds of the western palaearctic. Collins.

Chicago Style (17th ed.) Citation

Harrison, Colin James Oliver, and Crispin Fisher. An Atlas of the Birds of the Western Palaearctic. London: Collins, 1982.

MLA (9th ed.) Citation

Harrison, Colin James Oliver, and Crispin Fisher. An Atlas of the Birds of the Western Palaearctic. Collins, 1982.